Kōichi Aki

1902

• Chisui
• Genshiryoku no enerugiteki riyō
• Gogan suisei
• Kinsei kagaku shisō
• Kokudo kaihatsu to gijutsu no yakuwari
• Nihon keizai chizu
• Nihon no shigen mondai
• Nihon sangyō kōzō no kadai
• Suigai no Nihon
• Teibō
• The future of Japan